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Nikita Chisnikov

Profile

Software engineer with 15+ years of experience.

My technical background and strong creative problem solving skills help me to implement solutions for every new challenge.

I like to build awesome software & I have experience in desktop, web applications, server-side services design, development and deployment.

I adhere to the rule that every complex architectural decision should be well documented and described using a set of diagrams.

As for programming languages, currently I prefer Golang for most server-side tasks, C when solution needs better performance, and Python mainly for research tasks and test scripts.

I have experience in database design, normalization, creating schemas and migrations, setting up replication.

Also I can prepare Docker images, set up CI/CD pipelines, interact with K8s, create manifests and Helm charts for deployment.

Education

  • 2009 - 2013 : Omsk Branch of Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Laboratory of Mathematical Modeling, Numerical Methods and Software Complexes, PhD student

  • 2004 - 2009 : Omsk State University (OMSU), Faculty of Mathematics, Specialist

Experience

  • Dec 2023 - Present : Technical Lead at Samokat.tech (E-com group)

    • Advertising Platform development
      • microservices architecture
      • Golang
      • REST API, Apache Kafka
      • PostgreSQL, MSSQL, ClickHouse, Elasticsearch, Redis
      • PlantUML, DocHub
      • Gateway, BFF, CQRS, Transaction log tailing, Event sourcing
      • OpenTelemetry, Prometheus, Grafana, Jaeger
      • Gitlab CI/CD, Docker, K8s, Helm

  • Jan 2023 - Dec 2023 : Senior Software Engineer at Megamarket (E-com group)

    • Advertising Platform development
      • microservices architecture
      • Golang
      • REST API, gRPC, Apache Kafka
      • PostgreSQL, MSSQL, Elasticsearch, Redis
      • Gateway, BFF
      • PlantUML, DocHub
      • OpenTelemetry, Prometheus, Grafana, Jaeger
      • Gitlab CI/CD, Docker, K8s, Helm

  • Mar 2021 - Sep 2022 : Technical Lead at Stellar Solvers LLC

    • AI solution development for spice manufacturer

      • microservices architecture
      • Golang, C, Python, ReactJS
      • Websocket, NNG/Mangos
      • Darknet Neural Network framework
      • PaddleOCR inference
      • Bare Metal Kubernetes cluster
      • ArgoCD, GitOps, Gitlab CI/CD, Docker

    • AI, AR real-time solution for coffee machine manufacturer

      • microservices architecture
      • Golang, C, Python, ReactJS
      • WebRTC, Websocket, NNG/Mangos
      • VP8, VP9 codecs frame extraction & transformation
      • Darknet Neural Network framework
      • Points of Interest Tracker
      • Grafana Loki
      • Gitlab CI/CD, Docker образы

    • Implementation of an Enterprise Data Warehouse (EDW) for an international corporation

      • Python, Apache Airflow DAGs, Apache Kafka
      • Extract, Load, Transform (ELT), CSV, Parquet
      • Google Cloud: Cloud Storage, Kubernetes (GKE), Big Query, Google Analytics
      • Oracle
      • Jira

    • Development of Real Time Bidding (RTB) solution on a programmatic-platform

      • microservices architecture
      • Golang
      • Python, Jupyter Lab
      • Reinforcement Learning
      • Extract, Transform, Load (ETL), CSV, Apache Avro
      • GCP Big Query, ClickHouse
      • Google Cloud: Cloud Storage, Compute Engine, App Engine
      • GitHub Actions (CI/CD)
      • Jira

  • Jun 2021 - Apr 2022 : Software Engineer at IntelliBoard, Inc

    • Predictive Analytics Platform development
      • microservices architecture
      • Golang, Python
      • REST API, RabbitMQ
      • Amazon RDS
      • Gitlab CI/CD
      • Jira, Confluence

  • Jun 2020 - Mar 2021 : Technical Lead at Sebale LLC

    • ML Annotation Platform development and deployment

      • microservices architecture
      • Golang, C, Python
      • Websocket, NNG/Mangos, RabbitMQ
      • Gitlab CI/CD, Docker
      • PostgreSQL, ClickHouse
      • Redis
      • Nginx
      • Oracle Cloud Infrastructure (OCI)

    • Prepare VMs for Qt application cross-compilation, building and deployment

      • Virtualbox (Win, MacOS, Linux), Qemu/KVM (Win, Linux)
      • Building scripts development: Qmake, Bash
      • Gitlab CI/CD

    • WebAR solution quality assessment

      • Code review
      • UML diagrams creation
      • Architecture improvement
      • Load testing
      • Bitbucket
      • AWS EC2

  • May 2020 - Jun 2020 : Software Engineer at Effective LLC

    • Sound processing solution development
      • microservices architecture
      • Golang, C
      • REST API, gRPC
      • Gitlab CI/CD, Docker

  • Feb 2020 - May 2020 : Software Engineer at Stellar Solvers LLC

    • AI (CV) ("shelf checking") Retail solution development
      • microservices architecture
      • Golang, C, C++, Python
      • PostgreSQL
      • Redis
      • PyTorch
      • REST API, ZeroMQ
      • Gitlab CI/CD, Docker
      • AWS EC2, AWS S3, AWS EFS
      • Ansible
      • Trello

  • Oct 2018 - Feb 2020 : Software Developer at Blocknet

    • Trading Platform data processing software development

      • Extract, Transform, Load (ETL)
      • Golang
      • PostgreSQL, Redis Cluster

    • Cross-communication solution development

      • Golang
      • PostgreSQL, Redis Cluster
      • VPS (Vultr)

  • May 2011 - Mar 2018 : Software Engineer at Innoway LLC

    • CRM software development

      • Delphi
      • Devart MyDAC, UniDAC
      • DevExpress
      • MySQL, SQLite

    • Web application development

      • PHP
      • JS, jQuery
      • MySQL

  • Oct 2006 - Feb 2011 : Programmer at Omsk Branch of Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences

    • Development and maintaining of internal billing system
      • Delphi
      • DevExpress
      • Devart ODAC
      • PL/SQL
      • Oracle

Skills

  • Software design

    • DDD, SOLID principles, Microservices, Distributed systems
    • Gateway, BFF, CQRS, Event sourcing, Saga
    • Machine Learning, Computer Vision, Neural Network Architectures

  • Programming

    • Golang, C, Python

  • Data storage

    • PostgreSQL, MSSQL, Oracle, MySQL
    • ClickHouse, BigQuery
    • Redis, Elasticsearch

  • Data transfer

    • REST API, gRPC, Websocket
    • Apache Kafka, RabbitMQ, NNG/Mangos, ZMQ

  • Data format

    • JSON, CBOR, Protobuf, Apache Avro, Apache Parquet

  • Observability

    • OpenTelemetry, Prometheus, Jaeger, Grafana

  • Integration & Deployment

    • Docker, Helm
    • Gitlab CI/CD, GitHub Actions
    • GitOps, ArgoCD

  • Infrastructure

    • AWS, GCP, OCI
    • Kubernetes, Ansible
    • Ubuntu, Debian, Alpine

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